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소숫점: 1자리 덧셈69

1
6.9
+
8.4
=
15.3
2
4.5
+
6.4
=
10.9
3
4.4
+
4.9
=
9.3
4
1.2
+
2.2
=
3.4
5
1.5
+
2.8
=
4.3
6
6.3
+
8.9
=
15.2
7
6.1
+
2.5
=
8.6
8
5.8
+
7.1
=
12.9
9
8.5
+
9.8
=
18.3
10
5.6
+
1.3
=
6.9
11
9.2
+
2.7
=
11.9
12
7.5
+
6.5
=
14
13
3.8
+
8.3
=
12.1
14
8.8
+
1.8
=
10.6
15
3.9
+
3.3
=
7.2